Sharp MX-CF10 Service Manual Download

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MX-CF10 ELECTRICAL SECTION 9 - 9

(9) Operator Panel Circuit

This is the circuit of the operator panel board.

The operator panel drive board turns each of the LED1-6 on or off, and
detects weather each of the PSW1-3 is on or off.

Summary of Contents for MX-CF10

Page 1: ...ns 1 1 3 Environmental conditions 1 1 4 Compliance 1 1 3 EXTERNAL VIEWS AND INTERNAL STRUCTURES 1 External components 3 1 2 Sensors and switches 3 1 3 Motors solenoid and clutch 3 2 4 OPERATIONAL DESCRIPTION 1 Structure 4 1 2 Function outline 4 1 3 Operational description 4 1 4 Offline mode setting 4 4 5 LED indication on operator panel 4 5 6 Paper jam error detection 4 6 5 ADJUSTMENTS 1 Paper wid...

Page 2: ...paper OHP films colored paper punched paper tabbed paper Special papers OHP films Saddle mode reverse not applicable Punched paper 2 3 or 4 holes 2 holes φ6 5 Hole pitch 80mm 2 holes φ8 Hole pitch 70mm 3 holes φ8 Hole pitch 108mm 108mm 4 holes φ6 5 Hole pitch 80mm 80mm 80mm 4 holes φ6 5 Hole pitch 21mm 70mm 21mm Paper sizes Ledger LD Legal LG Letter LT Letter R LTR Foolscap Executive R Invoice R S...

Page 3: ...ain unit 5 Paper guiding section Lever Unlock the paper guiding section to clear a paper jam 6 Front cover Open this cover to remove jammed paper from the finisher or saddle finisher 1 11 6 9 8 12 2 3 7 10 13 4 5 No Symbol Description Type Function and operation Output Product name Model Manufacturer 1 JCK_S W Inserter cover open close switch Microswitch Detects that the JAM cover is opened or clo...

Page 4: ...n a sheet is detected TP6 turns LOW TLP1241 C5 TOSHIBA 10 T_VR Sheet width detection potentiometer Potentiometer Detects the width of a sheet to be inserted in the tray The voltage of TP12 varies between 0 V and 5 V depending on the sheet width RDC505003A ALPS 11 T_SEN Inserter tray sensor Photointerrupter Detects the length of a sheet to be inserted in the tray When a sheet is detected TP13 turns...

Page 5: ...r detects the leading edge of the sheet Step 05 The inserter paper exit sensor detects the trailing edge the sheet Step 06 The transport motor stops Horizontal transport rollers 1 and horizontal transport rollers 2 stop Actuator Components to be driven Description Type Inserter paper feed motor Pulse motor Pickup roller feed rollers separation rollers registration rollers vertical transport roller...

Page 6: ...e vertical transport rollers Step 12 When sheet transport needs to be suspended for adjusting the space between sheets the inserter paper feed motor stops to stop the sheet Transport Step 13 When a predetermined waiting time period has passed The inserter paper feed motor restarts If the transport motor has stopped it is started Step 14 The inserter paper exit sensor is turned ON and detects the l...

Page 7: ... time Step 10 The inserter timing sensor detects the leading edge of the sheet Step 11 The leading edge of the sheet passes between the vertical transport rollers Step 12 When sheet transport needs to be suspended for adjusting the space between sheets the inserter paper feed motor stops to stop the sheet Entering reverse section Step 13 When a predetermined waiting time period has passed the inse...

Page 8: ...ep 04 Press the START switch to start operation Canceling procedure Step 01 Press the PUNCH switch on the operator panel Step 02 The PUNCH LED goes out to indicate that setting has been canceled Note If you cannot make or cancel setting by following the respective procedures above refer to section 5 shown later When no LEDs are lit check the setting made by the main unit and the inserter status B ...

Page 9: ...Paper loaded tray Non operable Inserter problem Lit Finisher problem Lit The LED of the selected mode is lit Paper jam in inserter Lit Paper jam in finisher Lit The LED of the selected mode is lit Inserter alarm Blinking The LED of the selected mode is lit Finisher alarm Blinking The LED of the selected mode is blinking Paper loaded tray Non operable Open inserter cover The LED of the selected mod...

Page 10: ...y the transport motor after the inserter reverse sensor is turned ON which means presence of a sheet Not arrived at inserter reverse sensor At a time of entering reverse section A paper jam is detected if the inserter reverse sensor is not turned ON which means absence of a sheet even when the inserter reverse motor has been driven for a fixed distance after leading edge registration At a time of ...

Page 11: ...ting OFF 4 Press START key The selected diag mode is executed 5 Check that LED2 is flashing and set the paper guide to the max width position 6 Press START key 7 Check that LED3 is flashing and set the paper guide to A4R width position 8 Press START key 9 Check that LED4 is flashing and set the paper guide to A5R width position 10 Press START key 11 Check that LED5 is flashing and set the paper gu...

Page 12: ... 3 Turning the paper feed unit remove the paper feed roller guide 4 Remove the pickup roller and paper feed roller A Pickup roller B Paper feed roller B Torque Limiter Separation Roller 1 Open the top cover 2 Remove the maintenance cover 3 Turn the separation roller unit to remove 4 Remove the torque limiter and the separation roller A Torque limiter B Separation roller A B A B ...

Page 13: ...A Horizontal pass roller 1 B Registration roller B Horizontal Pass Roller 2 and Timing Roller 1 Open the top cover 2 Remove the front cover and rear cover 3 Disconnect the connector to remove the operating unit 4 Disconnect the connector tray support and tray spring guide spin dle to remove the tray unit 5 Remove the open close cover fulcrum and two E rings F R and remove the upper door section B ...

Page 14: ...ller 2 B Timing roller C Reverse Roller 1 Open the top cover 2 Remove the front cover and rear cover 3 Remove the finisher fixing bolt to remove the finisher positioning stay unit 5 Remove the cover bracket D Paper Guide 4 Remove the reverse supports and E rings to remove the reverse unit A B ...

Page 15: ... on assembly A Reverse flapper solenoid adjustment 1 Rotate the solenoid lever LVR FM SOL fully clockwise 2 Adjust the position of the bracket BKT FM SOL of the solenoid so that the solenoid s arm is completely retracted that there is no clearance in the rubber spacer the stopper E ring and the main unit of the solenoid When adjusted fix the bracket with screws LVR FM SOL Stopper E ring Rubber spa...

Page 16: ...s generated due to a sensor or a detector Work sequence number Division Description 1 Work sequence for a section unit Large division Indicates a section unit to be worked 2 Work sequence for a sub unit Medium division Indicates the work sequence of the sub units in a section unit 3 Work sequence of parts Small division Indicates the work sequence of the parts in a section unit Unit name Work sequ...

Page 17: ...er jam is displayed on the system display Case1 Cause Paper jam Check and remedy Visual observation Take out paper jams Case2 Cause Inserter reverse sensor fault Check and remedy Measure a voltage of TP2 on the controller PCB and check that 3 to 3 6 V is observed when no paper is stacked and that 1 5 V or less is observed when paper is stacked Replace the sensor if the measured voltage exceeds the...

Page 18: ...closed Replace the sensor if the measured voltage exceeds these ranges Case3 Cause Inserter stand cover open close sensor fault Check and remedy Measure the voltage of TP10 on the control PWB and check that it is 1V or less when the base cover is opened and 5V when closed If the voltage is outside the above specifications replace the sensor with a new one Case4 Cause Controller PCB fault Check and...

Page 19: ...act Housing Contact Housing Contact Inserter Tray Sensor Tray Drawn Sensor Tray Folded Sensor Housing Contact Housing Contact Housing Contact Housing Contact Housing Contact Housing Contact Housing Contact Housing Contact Contact Housing Contact Contact Sleeve FASTON Terminal Inserter Cover Open close Switch Finisher I F Main Unit I F Inserter Flapper Solenoid Inserter Registration Clutch Inserter...

Page 20: ...s B Block Diagram Inserter Main Unit RXD0 SGND TXD0 DC 24V DC 24V DC 5V Finisher RXD1 SGN TXD1 DC 24V S_SEN EMP_SEN T_VR REG_SEN TIM_SEN T_SEN TH_SEN TS_SEN HYK_SEN KC_SEN SENSORS INPUT CIRCUIT COMMU NICATION CIRCUIT CPU DRIVER F_SOL R_CL K_MOT H_MOT Y_MOT ROM EEP ROM INRUSH CURRENT LIMITING CIRCUIT DC 5V P_ST_SW P_MO_SW P_PN_SW P_PN_LED P_MO_LED4 P_MO_LED3 P_MO_LED2 P_MO_LED1 P_ST_LED2 P_ST_LED1 ...

Page 21: ...e sensor detects a sheet between the sensor and the opposite reflector interrupting the light path The CPU IC6 Pin94 95 96 output is transmitted to the sensor to light the LED through the D A converter IC13 the operational amplifier IC15 2 and the transistor Q1 Meanwhile the signal is transmitted to the CPU IC6 Pin30 through the noise filters R4 C2 and the compar ator IC1 1 The signal input to the...

Page 22: ...e light path The signal is transmitted to the CPU IC6 Pin2 through the noise fil ters R56 C16 The signal input to the CPU follows the logic H when the inserter is connected to the main unit L when not connected R59 is a current limiting resistor for the LED R58 is a load resistor for the sensor 6 Inserter Empty Sensor EMP_SEN EMP_SEN uses the photointerrupter including the LED and the pho totransi...

Page 23: ...nput to the CPU follows the logic L when the sub tray is drawn R51 is a load resistor for the sensor 12 Sub Tray Folded Detection Sensor TS_SEN TS_SEN uses the photointerrupter integrated with an LED and a pho totransistor The sensor detects state of the sub tray with the lever actuator inter rupting the light path The signal is transmitted to the CPU IC6 Pin128 through the noise fil ters R42 C13 ...

Page 24: ...r IC IC7 and other elements The signals of the stepping motor drive excitation pattern from the CPU IC6 Pin118 120 121 122 control the motor rotation speed and rotational direction The analog signal from the D A converter IC13 Pin5 is divided into the constant voltage by R74 and R75 The divided voltage is applied to IC7 Pin3 14 to set the motor current 3 Inserter Horizontal transport Motor Drive C...

Page 25: ...ow ever when the 5V voltage falls to 4 2V or less because of the power turned off or any trouble IC3 Pin8 turns L to reset the CPU The clock signal from the CPU is transmitted to IC3 Pin3 CK at a reg ular interval to clear the watchdog timer embedded in IC3 However if the clock signal from the CPU disappears because of a system trouble IC3 Pin8 turns L to reset the CPU and stop the system operatio...

Page 26: ... over the zener voltage according to the time con stant of R55 and C46 Q11 is turned on because the base current from ZD1 to Q10 turns Q10 on And then the current flows to Q11 instead of PTH2 to release the current limitation The circuit consisting of PTH1 and D3 is intended to eliminate the electric charge accumulated in C46 immediately to limit an inrush current generated by momentary open ing a...

Page 27: ...ECTRICAL SECTION 9 9 9 Operator Panel Circuit This is the circuit of the operator panel board The operator panel drive board turns each of the LED1 6 on or off and detects weather each of the PSW1 3 is on or off ...

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Page 30: ...s operating system is a trademark or copyright of Microsoft Corporation in the U S A and other countries Windows 95 Windows 98 Windows Me Windows NT 4 0 Windows 2000 Windows XP Windows Vista Windows 2000 Server Windows Server 2003 and Internet Explorer are trademarks or copyrights of Microsoft Corporation in the U S A and other countries IBM and PC AT are trademarks of International Business Machi...

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